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Backup Exec 12 on SBS2003

Created: 21 Aug 2013 | 3 comments
Jay Patel 2's picture


For the last three days i am getting ths error, can someone point me in the right direction as how to solve this issue please.


V-79-57344-34110 - AOFO: Initialization failure on: "System?State". Advanced Open File Option used: Microsoft Volume Shadow Copy Service (VSS).

VSS Snapshot error. The Microsoft Volume Shadow Copy Service (VSS) snapshot provider selected returned: "Unexpected provider error". Ensure that all provider services are enabled and can be started. Check the Windows Event Viewer for details.

The following volumes are dependent on resource: "C:"


Many Thanks



all services are running and have restarted the server twice as well.




Operating Systems:

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pkh's picture

You can try explicitly selecting the Microsoft VSS provider.  Edit your job and under AOFO, click on the third option and select the Microsoft provider fromt the drop-down.


Jay Patel 2's picture

Hi pkh,


I already have under snapshot provider: System-Use Microsoft Software Shadow Copy Provider.



lmosla's picture

Hello Jay,

Check the status of your writers by running vssadmin list writers from the command prompt ?

also check for errors in windows events during the time the backup runs to help determine what may be causing a conflict. 

There are a number of reasons this error occurs

for more troubleshooting see  &